You generally do not need to mess with the critical partitions, but some modifications may require you to flash them, including when you want to flash the full stock ROM via fastboot since the checksums must match for the incremental OTA updates to work. They said on the other thread that this variant comes with the bootloader already unlocked but whenever i try to enter a command (e.g fastboot flash laf laf.img) or pretty much every command I enter (except fastboot getvar all and fastboot devices), I get the same message FAILED (remote: unknown command). The difference between the two is that the critical protects the upper-level partitions (such as abl, xbl) that are critical for the phone to boot. You will be able to separately see the unlocked and critical unlocked individually in newer phones. In case you have run the getvar command, then you’ll only get a response for the unlocked property with a value of true or false. (bootloader) Charger screen enabled: true (bootloader) Device critical unlocked: false The result will give you details about your device, along with the bootloader status. You can also try the below command if the above fails: fastboot getvar unlocked Yes ADB and Fastboot methods can also occur multiple errors. Run the following command in your fastboot terminal or CMD:.For most OEMs, you will need to press and hold the power and volume down buttons together from the power-off state. Ensure that ADB & Fastboot are installed on your PC along with the drivers.Follow the steps below to check whether your Android phone’s bootloader is locked or unlocked.
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